US government lab dabbles in new computer designs

Rethinking conventional computer designs, which are decades old, the U.S. Department of Energy has set its sights on creating systems that could supplant today's PCs and servers.The Los Alamos National Laboratory -- best known for its work with nuclear weapons -- is developing and acquiring new types of computers as it looks to replace conventional computers. Its newest toy is a D-Wave 2X quantum computer, which the lab purchased from D-Wave Systems for an undisclosed price.The acquisition of th